I have tried many brands of snow tires. I've tried the Pirelli Scorpion Ice, Michelin X-Ice, and Blizzak LM60's. All these tires were 245/45/20. Vehicle used was a 2008 Magnum SRT8. Not AWD but RWD....

I do my own myself. I got screwed by a company claiming they put royal purple in my car with a K&N filter (non-Lexus). Lets just say no K&N filter or purple oil whatsoever. This was a speed shop. So...